1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 01 30 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1991 01 31 Released A2 DE00E00107002086 Revised 3.5.8 1990 07 11 Released DE00E00107002060 J. B. Huebner Printed copies are uncontrolled Copyright 2006, Ford Global Technolog
2、ies, LLC Page 1 of 5 POLYETHERSULFONE (PESU), 30% GLASS FIBER WSF-M4D774-A REINFORCED MOLDING COMPOUND POLYETHERSULFONE (PESU), 30% GLASS FIBER WSF-M4D774-A2 REINFORCED MOLDING COMPOUND, REDUCED FLOW RATE 1. SCOPE The materials defined by these specifications are glass fiber reinforced thermoplastic
3、 polyethersulfone molding compounds. 2. APPLICATION These specifications were released originally for material used for speed control output pulleys. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Require
4、ments For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUN A A2 3.4.1 Melt Flow Rate, g/10 minutes 10 - 17 3 - 10 (ISO 1133/ASTM D 1238, 340 C, 5.0 kg) The material shall be dried for 4 h minimum at 300 C in a mechanical convection oven immediately preceding the test. 3.4.2 Glass Fiber Con
5、tent (A & A2) 27 - 33% (ISO 3451/1, Method A, 2 h at 800 +/- 25 C) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens (A & A2) Unless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens. The following dimensions are required: A. 150 min x 10
6、x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSF-M4D774-A/A2P
7、rinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density (A & A2) 1.56 - 1.62 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min (A & A2) 125 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/mi
8、nute) 3.5.4 Flexural Modulus, min (A & A2) 6.7 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) A A2 3.5.5 Shear Modulus at 23 C, GPa 1.54 - 2.57 1.35 - 2.25 (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level
9、below 1%. Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center of specimen A. Specimen length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum). Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +250 C temperature range, at 5
10、C minimum intervals. The plotted curve must be within tolerance range shown on page 4 (WSF-M4D744-A) and 5 (WSF-M4D774-A2). 3.5.6 Impact Strength, Izod, min (A & A2) (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 5.5 kJ/m
11、23.5.6.2 At -40 +/- 2 C 5.0 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Tempera
12、ture, min (A & A2) (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen) 3.5.7.1 At 1.82 MPa 210 C 3.5.7.2 At 0.45 MPa 215 C 3.5.8 Heat Aging Performance (A & A2) (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 200 +/- 2 C. Unaged property values shall be determined at the time of the age
13、d properties determination) ENGINEERING MATERIAL SPECIFICATIONWSF-M4D774-A/A2Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 5 3.5.8.1 Tensile Strength Change +/- 25% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method per pa
14、ra 3.5.6.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (A & A2) (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 0.6 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarificat
15、ion and assistance in meeting the requirements of these specifications. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (A & A2) 1.1 - 1.8-5/C (ASTM D 696) 5.2 MOLD SHRINKAGE (A & A2) (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/-
16、2 C 0.15 - 0.25% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.25 - 0.35% . After 30 min at 120 C 0.25 - 0.35% ENGINEERING MATERIAL SPECIFICATIONWSF-M4D774-A/A2Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 5 ENGINEERING MATERIAL SPECIFICATIONWSF-M4D774-A/A2Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 5 of 5
